Water is necessary for carrying nutrients to your cells, flushing bacteria from your system, preventing dehydration, and replacing fluids lost from sweating, but you may not need to drink as much as you thought.
Stephen R. Daniels. pediatrician. No. You shouldn't give your newborn water or sugar water. And if you're feeding powdered or concentrated formula to your baby, never dilute it with more than the amount of water called for on the label. Your infant will get all the necessary hydration from breast milk or formula.
But they don't actually need to drink waterin fact, pediatricians advise against giving your baby plain or distilled water until he or she is six months old. Babies get their water needs met by drinking breastmilk or formula, both of which are mostly water.